... long life, resistant shock and vibration, low heat generation, no UV, low maintenance cost, easy installation etc, adopts optical, electrical, ... impact resistance, shock-proof, no lead, no mercury, no UV, no IR;3, PWM constant current technology, high efficiency, ... hotel, shopping mall, school, office, hospitals, library etc;2, Decoration for park, arena, hotel, supermarket, festive lamp etc. Item No ...